Learn about the processes that shape the Earth’s surface.
The process by which rocks are broken down into smaller pieces by physical, chemical, or biologic...
The movement of rock, soil, and sediment from one place to another by wind, water, ice, or gravity
The type of weathering that involves the breaking of rocks without changing their chemical compos...
The type of weathering that involves changes in the chemical composition of rocks
Water contributes to both chemical and physical weathering and plays a key role in erosion by mov...
Weathering breaks down rocks into smaller pieces, while erosion moves those pieces to new locations
A type of physical weathering where water freezes in cracks of rocks, expands, and breaks the roc...
Acid rain can chemically weather rocks by reacting with minerals in the rock causing it to dissol...
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The process by which rocks are broken down into smaller pieces by physical, chemical, or biological means
Weathering
The movement of rock, soil, and sediment from one place to another by wind, water, ice, or gravity
Erosion
The type of weathering that involves the breaking of rocks without changing their chemical composition
Mechanical (Physical) Weathering
The type of weathering that involves changes in the chemical composition of rocks
Chemical Weathering
Water contributes to both chemical and physical weathering and plays a key role in erosion by moving weathered materials
The Role of Water in Weathering and Erosion
Weathering breaks down rocks into smaller pieces, while erosion moves those pieces to new locations
The Difference Between Weathering and Erosion
A type of physical weathering where water freezes in cracks of rocks, expands, and breaks the rock apart
Frost Wedging
Acid rain can chemically weather rocks by reacting with minerals in the rock causing it to dissolve or change
Acid Rain in Chemical Weathering
Oxidation is a chemical reaction where a substance combines with oxygen, commonly seen as rust
Oxidation in Weathering
Soil forms over long periods of time from weathered rock, organic matter, water and air
Soil Formation from Weathered Rock
Wind erodes by picking up loose particles and transporting them to new locations
Wind in Erosion
Rivers and streams erode their banks and beds, and transport eroded material downstream
Erosion by Rivers and Streams
Canyons are formed through the erosive activity of rivers over millions of years
Formation of Canyons Through Erosion
Glaciers erode landscapes by plucking up rocks and scraping them along the land, they also grind rock into fine sediment
Glaciers in Weathering and Erosion
Weathering can damage building materials, especially those made with natural stone
Impact of Weathering on Building Materials
The process by which seawaves erode landforms along the coastline, leading to the formation of cliffs, sea stacks, and sea arches
Coastal Erosion
Gravity drives the mass movement processes like landslides and rockfalls which is a type of erosion
Gravity in Erosion
Weathering breaks down existing rock into sediment, which can form new rock in the rock cycle
Weathering in the Rock Cycle
Erosion transports weathered material which, when deposited, forms layers of sediment
Formation of Sediments Through Erosion
The breakdown of rocks by living things such as tree roots breaking apart rocks by growing into cracks
Biological Weathering
Human activities like deforestation and poor agricultural practices accelerate erosion
Impact of Human Activities on Erosion
Erosion control is important to preserve fertile soil and prevent the loss of farmland
Importance of Erosion Control in Agriculture
Erosion shapes landscapes by removing material from some areas and depositing it in others, forming features like mountains and valleys.
Erosion in Shaping Earth’s Landscapes
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